Commercial Garage Door Openers/Lifters

Crawford Garage Doors carries a wide selection of commercial LiftMaster garage door openers/lifts.

LiftMaster Trolley Garage Door Openers

Advanced Trolley System Light-Duty Trolley Operator

The Model ATS (Advanced Trolley System) Door Operator is designed for use on residential or light-duty commercial door applications with standard lift. For doors up to 14′ high. Maximum recommended duty cycle: 8 cycles per hour.

Performance
  • 115 volt 1 Ɵ.
  • Control the Open/Stop/Close sequencing needs for your door operation with a single button control (SBC).
  • Improve durability with the NEMA 1 type electrical box construction with a powdercoat finish.
  • Enable limit setting for ease of installation and adjustment to ensure accuracy even after a power failure.
  • Ensure peace of mind with a LiftMaster® 1-year warranty
Safety and Security
  • Compliant with all UL 325 requirements.
  • Accept up to 20 remote controls and unlimited DIP switch remote control with our Security+® radio technology.
  • Provide easy, emergency manual operation using a readily accessible disconnect.
  • The Protector System® Safety Sensors.

Medium Duty Trolley Operator for Standard Lift Sectional Doors

The Model MT Medium Duty Trolley Operator is designed for use on standard lift sectional doors up to 14 feet high and up to 12 cycles per hour.

Performance
  • 115 volt 1 Ɵ.
  • Apply Open/Close/Stop functions with the standard three-push-button control station. Controls with one, two and three buttons are available.
  • Receive notifications when routine maintenance is required on your Commercial Door Operator.
  • Improve durability with the NEMA 1 type electrical box construction with a powdercoat finish.
  • Heavy-duty, oil-filled bushings.
  • Enable limit setting for ease of installation and adjustment to ensure accuracy even after a power failure.
  • Automatically close the door with Timer-To-Close (programmable in 1-second or 15-second increments).
  • Ensure peace of mind with a LiftMaster® two-year warranty.
Safety and Security
  • Compliant with all UL 325 requirements.
  • Accept up to 20 remote controls and unlimited DIP switch remote control with our Security+® radio technology.
  • Protect against door and operator damage due to obstacles with the Adjustable Friction Clutch.
  • Provide easy, emergency manual operation using a readily accessible disconnect.
  • CPS-U Monitored Commercial Protector System.

Trolley Operator - Logic 5.0

T-style trolley commercial door operators are optimal for general industrial applications.

Performance
  • Dual Voltage Connections increase flexibility by enabling the installer to select the required voltage within phase, to meet job-site requirements.
  • Single-Phase: 115V and 230V, 3-Phase: 208V, 230V and 460V, 575V is a discrete model without field-selectable voltage.
  • Control Function Selector Dial enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
  • Continuous-Duty High-Starting Torque Motor performs in demanding industrial overhead door applications.
  • Motor Removable without Affecting Limit Switch Settings saves time and money for maintenance.
  • Adjustable Friction Clutch helps to protect door and operator from damage should the door meet an obstruction.
  • Mid-Stop enables partial opening of door to a preprogrammed position for energy savings, time savings and convenience.
  • Maximum Run Timer reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
  • Delay-On-Reverse Circuit prevents abrupt reversal of door, reducing wear on the door and operator system.
  • 3-Button Control Station with Maintenance Alert System (MAS) provides open/close/stop functions and notification when routine maintenance is required.
  • Continuous-duty high-starting torque motor with instant reverse and overload protection. Available in 1/3, 1/2, 3/4 and 1 HP; single- or three-phase. Capacitor start on single-phase. Removable without affecting limit switch settings.
  • Operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close.
  • 5V DC NEC Class 2.
  • First-stage heavy-duty 5L V-belt; second #41 chain; #48 (for 1/3 and 1/2HP) and #41 (for 3/4 and 1HP) output chain on trolley.
  • Industrial ball bearings on output shaft, heavy-duty oil-filled bushings on reduction shafts.
  • Brake Standard on 3/4 and 1 HP operators, (optional on 1/2 HP, not available on 1/3 HP).
  • NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable powder coat finish, all reduction sprockets drilled and pinned to shafts.
  • #48 on 1/3 and 1/2 HP. #41 on 3/4 and 1HP.
  • Two-year warranty.
Safety and Security
  • UL 325 requires all commercial door operators to be either constant pressure to close or be equipped with a primary external monitored entrapment protection device.
  • Security+ 2.0™ safeguards your facility – with every click, a new code is sent to the commercial door operator so the door opens only for you.
  • Timer-To-Close conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
  • Emergency Disconnect disconnects the operator from the door for manual lifting in an emergency.

Gearhead Trolley Operator - Logic 5.0

Gearhead Trolley (GT) style commercial door operators employ lubricated gears and are optimal for heavy industrial, high-cycle applications.

Performance
  • Dual Voltage Connections increase flexibility by enabling the installer to select the required voltage within phase, to meet job-site requirements.
  • Single-Phase: 115V and 230V, 3-Phase: 208V, 230V and 460V, 575V is a discrete model without field-selectable voltage.
  • Control Function Selector Dial enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
  • Continuous-Duty High-Starting Torque Motor performs in demanding industrial overhead door applications.
  • Motor Removable without Affecting Limit Switch Settings saves time and money for maintenance.
  • Adjustable Friction Clutch helps to protect door and operator from damage should the door meet an obstruction.
  • Mid-Stop enables partial opening of door to a preprogrammed position for energy savings, time savings and convenience.
  • Maximum Run Timer reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
  • Delay-On-Reverse Circuit prevents abrupt reversal of door, reducing wear on the door and operator system.
  • 3-Button Control Station with Maintenance Alert System (MAS) provides open/close/stop functions and notification when routine maintenance is required.
  • Continuous-duty high-starting torque motor with instant reverse and overload protection. Available in 1/2, 3/4, 1 and 1-1/2 HP; single- or three-phase. Capacitor start on single-phase.
  • Operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close.
  • 5V DC NEC Class 2.
  • 10:1 first-stage using heavy-duty gears running in oil bath; cast iron housing; #41 chain second stage; #41 output chain on trolley.
  • Sealed roller bearings in gear reducer. Flange-mount industrial ball bearings on drive shaft.
  • Brake comes standard.
  • NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable powder coat finish, all reduction sprockets drilled and pinned to shafts.
  • #41 Trolley Roller Chain comes standard.
  • Two-year warranty.
Safety and Security
  • UL 325 requires all commercial door operators to be either constant pressure to close or be equipped with a primary external monitored entrapment protection device.
  • Security+ 2.0™ safeguards your facility – with every click, a new code is sent to the commercial door operator so the door opens only for you.
  • Timer-To-Close conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
  • Emergency Disconnect disconnects the operator from the door for manual lifting in an emergency.

Apartment Trolley Operator - Logic 5.0

Apartment Trolley (APT) style commercial door operators are optimal for high-cycle apartment house applications. APT-style operators employ an auto-reconnect trolley with nylon inserts and a resilient-mount motor for quiet operation.

Performance
  • Dual Voltage Connections increase flexibility by enabling the installer to select the required voltage within phase, to meet job-site requirements.
  • 115 and 230 volts1 Ɵ.
  • Control Function Selector Dial enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
  • Continuous-Duty High-Starting Torque Motor performs in demanding industrial overhead door applications.
  • Resilient-Mount Motor provides quiet operation.
  • Motor Removable without Affecting Limit Switch Settings saves time and money for maintenance.
  • Adjustable Friction Clutch helps to protect door and operator from damage should the door meet an obstruction.
  • Mid-Stop enables partial opening of door to a preprogrammed position for energy savings, time savings and convenience.
  • Maximum Run Timer reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
  • Delay-On-Reverse Circuit prevents abrupt reversal of door, reducing wear on the door and operator system.
  • 3-Button Control Station with Maintenance Alert System (MAS) provides open/close/stop functions and notification when routine maintenance is required.
  • Continuous-duty high-starting torque motor with instant reverse and overload protection.
  • Operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close.
  • 5V DC NEC Class 2.
  • First-stage heavy-duty 5L V-belt; second and third stages #41 chain; #48 output chain on trolley.
  • Industrial ball bearings on output and first reduction shafts; bearings on second reduction shaft.
  • Solenoid Brake comes standard.
  • NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable powder coat finish, all reduction sprockets drilled and pinned to shafts.
  • #41 Trolley Roller Chain comes standard.
  • Two-year warranty.
Safety and Security
  • UL 325 requires all commercial door operators to be either constant pressure to close or be equipped with a primary external monitored entrapment protection device.
  • Security+ 2.0™ safeguards your facility – with every click, a new code is sent to the commercial door operator so the door opens only for you.
  • Timer-To-Close conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
  • Emergency Disconnect with Auto-Reconnect disconnects the operator from the door for manual lifting in an emergency and automatically reconnects for convenience.

LiftMaster Side Mount Openers/Lifts

Hoist Operator - Logic 5.0

Hoist (H) style commercial door operators are optimal for industrial applications. H-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.

Connectivity
  • MyQ® Technology enables you to securely monitor and control your facility operator and lights with your smartphone, tablet or computer for greater peace of mind.
  • Alerts can be received as email or pop-up (push) notifications on a mobile device, ensuring the status of your commercial door.
  • MyQ Mobile App is a free download with no annual activation fee.
Performance
  • Dual Voltage Connections increase flexibility by enabling the installer to select the required voltage within phase, to meet job-site requirements.
  • Single-Phase: 115V and 230V, 3-Phase: 208V, 230V and 460V, 575V is a discrete model without field-selectable voltage.
  • Control Function Selector Dial enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
  • Continuous-Duty High-Starting Torque Motor performs in demanding industrial overhead door applications.
  • Motor Removable without Affecting Limit Switch Settings saves time and money for maintenance.
  • Adjustable Friction Clutch helps to protect door and operator from damage should the door meet an obstruction.
  • Mid-Stop enables partial opening of door to a preprogrammed position for energy savings, time savings and convenience.
  • Maximum Run Timer reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
  • Delay-On-Reverse Circuit prevents abrupt reversal of door, reducing wear on the door and operator system.
  • 3-Button Control Station with Maintenance Alert System (MAS) provides open/close/stop functions and notification when routine maintenance is required.
  • Continuous-duty high-starting torque motor with instant reverse and overload protection. Available in 1/3, 1/2, 3/4 and 1 HP; single- or three-phase. Capacitor start on single-phase. Removable without affecting limit switch settings.
  • Operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close.
  • 5V DC NEC Class 2.
  • First-stage heavy-duty 5L V-belt; second-third-fourth stages #48 chain; #50 output sprocket chain.
  • Industrial ball bearings on 1″ output shaft, heavy-duty oil-filled bushings on reduction shafts.
  • Brake standard on 3/4 and 1 HP operators. (optional on 1/2 HP; not available on 1/3 HP).
  • NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable powder coat finish, all reduction sprockets drilled and pinned to shafts.
  • Two-year warranty.
Safety and Security
  • UL 325 requires all commercial door operators to be either constant pressure to close or be equipped with a primary external monitored entrapment protection device.
  • Security+ 2.0™ safeguards your facility – with every click, a new code is sent to the commercial door operator so the door opens only for you.
  • Timer-To-Close conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
  • Floor Level Chain Hoist with Electrical Interlock provides easy disconnect and manual operation in an emergency.

 

Gearhead Hoist Operator - Logic 5.0

Gearhead (GH) style commercial door operators employ lubricated gears for heavy industrial, high cycle applications. GH-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.

Connectivity
  • MyQ® Technology enables you to securely monitor and control your facility operator and lights with your smartphone, tablet or computer for greater peace of mind.
  • Alerts can be received as email or pop-up (push) notifications on a mobile device, ensuring the status of your commercial door.
  • MyQ Mobile App is a free download with no annual activation fee.
Performance
  • Dual Voltage Connections increase flexibility by enabling the installer to select the required voltage within phase, to meet job-site requirements.
  • Single-Phase: 115V and 230V, 3-Phase: 208V, 230V and 460V, 575V is a discrete model without field-selectable voltage.
  • Heavy-Duty Worm Gear-In-Oil Gear Reducer delivers performance for heavy industrial, high cycle applications.
  • Control Function Selector Dial enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
  • Continuous-Duty High-Starting Torque Motor performs in demanding industrial overhead door applications.
  • Motor Removable without Affecting Limit Switch Settings saves time and money for maintenance.
  • Mid-Stop enables partial opening of door to a preprogrammed position for energy savings, time savings and convenience.
  • Maximum Run Timer reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
  • Delay-On-Reverse Circuit prevents abrupt reversal of door, reducing wear on the door and operator system.
  • 3-Button Control Station with Maintenance Alert System (MAS) provides open/close/stop functions and notification when routine maintenance is required.
  • Continuous-duty high-starting torque motor with instant reverse and overload protection. Available in 1/2, 3/4, 1, 1-1/2, 2 and 3 HP; single- or three-phase. Capacitor start on single-phase. Removable without affecting limit switch settings.
  • Operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close.
  • 5V DC NEC Class 2.
  • 45:1 first-stage using heavy-duty gears running in oil bath; cast iron housing. Special “all-climate” synthetic gear oil for greater low-temperature performance; #50 output sprocket chain.
  • Sealed roller bearings in gear reducer.
  • Brake standard on GH operators.
  • NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable powder coat finish, all reduction sprockets drilled and pinned to shafts.
  • Two-year warranty.
Safety and Security
  • UL 325 requires all commercial door operators to be either constant pressure to close or be equipped with a primary external monitored entrapment protection device.
  • Security+ 2.0™ safeguards your facility – with every click, a new code is sent to the commercial door operator so the door opens only for you.
  • Timer-To-Close conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
  • Floor Level Chain Hoist with Electrical Interlock provides easy disconnect and manual operation in an emergency.

Medium-Duty Hoist Operator

The Model MH Medium Duty Hoist Operator is designed for use on small rolling doors, grilles and industrial sectional doors with high or vertical lift.

 

Performance
  • 115 volt 1 Ɵ.
  • With Open/Close/Stop functions, the three push-button control station is standard for all operators. Controls with one, two and three buttons are available.
  • Maintenance Alert System provides notifications when routine maintenance is required on your Commercial Door Operator.
  • With a powder-coated finish, the NEMA Type 1 electrical box construction is durable enough for most applications.
  • Heavy-duty, oil-filled bushings.
  • Mounts on the left or right side of the door. No rails to hang—the Door Operator simply mounts on the wall and attaches to the door shaft through chain and sprocket.
  • Door Operator electromechanical limit system enables ease of installation and adjustment to ensure accuracy, even after a power failure.
  • Programmable in one-second or 15-second increments, Time-to-Close automatically closes the door.
  • Ensure peace of mind with a LiftMaster two-year warranty.
Safety and Security
  • Meets all UL 325 requirements.
  • Patented Security+® radio technology accepts 20 remote controls and unlimited DIP switch remote control.
  • Adjustable Friction Clutch helps protect against damage to the door and Door Operator should the door meet an obstruction.
  • Signals door to reverse or stop if closing time exceeds maximum door travel to prevent damage to door and Door Operator.
  • Provides easy emergency manual operation using an easily accessible disconnect.
  • Chain hoist electrically interlocked floor-level disconnect for manual operation. Specification of right or left-hand hoist may be required.
  • CPS-U Monitored Commercial Protector System.

Medium-Duty Gear-Reduced Jackshaft Operator for Rolling Grilles and Shutters

The Model MGJ Door Operator is designed for use on industrial sectional doors with high or vertical lift and on small rolling doors and grilles. Maximum recommended duty cycle: 12 cycles per hour.

Performance
  • 115 volt 1 Ɵ.
  • Drive Reduction is a heavy-duty, wormgear-in-oil-bath speed reducer.
  • Apply Open/Close/Stop functions with the standard three-push-button control station. Controls with one, two and three buttons are available.
  • Receive notifications when routine maintenance is required on your Commercial Door Operator.
  • Improve durability with the NEMA 1 type electrical box construction with a powdercoat finish.
  • Sealed roller bearings in gear reducer.
  • Mount on the left or right side of the door. No rails to hang, the operator simply mounts on the wall and attaches to the door shaft through chain and sprocket. (3900 can mount directly to shaft)
  • Enable limit setting for ease of installation and adjustment to ensure accuracy even after a power failure.
  • Automatically close the door with Timer-To-Close (programmable in 1-second or 15-second increments).
  • Ensure peace of mind with a LiftMaster® two-year warranty.
Safety and Security
  • Compliant with all UL 325 requirements.
  • Accept up to 20 remote controls and unlimited DIP switch remote control with our Security+® radio technology.
  • Signal the door to reverse or stop if closing time exceeds maximum door travel prevent damage to door and operator.
  • Provide easy, emergency manual operation using a readily accessible disconnect.
  • CPS-U Monitored Commercial Protector System.

Jackshaft Operator - Logic 5.0

Jackshaft (J) style commercial door operators are optimal for industrial applications. Doors used with this operator should be balanced with the ability to be manually lifted by hand in an emergency or power outage.

Connectivity
  • MyQ® Technology enables you to securely monitor and control your facility operator and lights with your smartphone, tablet or computer for greater peace of mind.
  • Alerts can be received as email or pop-up (push) notifications on a mobile device, ensuring the status of your commercial door.
  • MyQ Mobile App is a free download with no annual activation fee.
Performance
  • Dual Voltage Connections increase flexibility by enabling the installer to select the required voltage within phase, to meet job-site requirements.
  • Single-Phase: 115V and 230V, 3-Phase: 208V, 230V and 460V, 575V is a discrete model without field-selectable voltage.
  • Control Function Selector Dial enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
  • Continuous-Duty High-Starting Torque Motor performs in demanding industrial overhead door applications.
  • Motor Removable without Affecting Limit Switch Settings saves time and money for maintenance.
  • Adjustable Friction Clutch helps to protect door and operator from damage should the door meet an obstruction.
  • Mid-Stop enables partial opening of door to a preprogrammed position for energy savings, time savings and convenience.
  • Maximum Run Timer reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
  • Delay-On-Reverse Circuit prevents abrupt reversal of door, reducing wear on the door and operator system.
  • 3-Button Control Station with Maintenance Alert System (MAS) provides open/close/stop functions and notification when routine maintenance is required.
  • Continuous-duty high-starting torque motor with instant reverse and overload protection. Available in 1/3, 1/2, 3/4 and 1 HP; single- or three-phase. Capacitor start on single-phase. Removable without affecting limit switch settings.
  • Operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close.
  • 5V DC NEC Class 2.
  • First-stage heavy-duty 5L V-belt; second-third-fourth stages #48 chain; #50 output sprocket chain.
  • Industrial ball bearings on 1″ output shaft; heavy-duty oil-filled bushings on reduction shafts.
  • Brake standard on 3/4 and 1 HP operators (optional on1/2 HP, not available on 1/3 HP).
  • NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable powder coat finish, all reduction sprockets drilled and pinned to shafts.
  • Two-year warranty.
Safety and Security
  • UL 325 requires all commercial door operators to be either constant pressure to close or be equipped with a primary external monitored entrapment protection device.
  • Security+ 2.0™ safeguards your facility – with every click, a new code is sent to the commercial door operator so the door opens only for you.
  • Timer-To-Close conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
  • Floor Level Disconnect enables manual lifting in an emergency.

Medium-Duty Jackshaft Operator

The Model MJ Door Operator is designed for use on industrial sectional doors with high or vertical lift and on small rolling doors and grilles. Maximum recommended duty cycle: 12 cycles per hour.

Performance
  • 115 volt 1 Ɵ.
  • Apply Open/Close/Stop functions with the standard three-push-button control station. Controls with one, two and three buttons are available.
  • Receive notifications when routine maintenance is required on your Commercial Door Operator.
  • Improve durability with the NEMA 1 type electrical box construction with a powdercoat finish.
  • Mount on the left or right side of the door. No rails to hang, the operator simply mounts on the wall and attaches to the door shaft through chain and sprocket. (3900 can mount directly to shaft)
  • Enable limit setting for ease of installation and adjustment to ensure accuracy even after a power failure.
  • Automatically close the door with Timer-To-Close (programmable in 1-second or 15-second increments).
  • Ensure peace of mind with a LiftMaster® two-year warranty.
Safety and Security
  • Compliant with all UL 325 requirements.
  • Accept up to 20 remote controls and unlimited DIP switch remote control with our Security+® radio technology.
  • Protect against door and operator damage due to obstacles with the Adjustable Friction Clutch.
  • Signal the door to reverse or stop if closing time exceeds maximum door travel prevent damage to door and operator.
  • Provide easy, emergency manual operation using a readily accessible disconnect.
  • CPS-U Monitored Commercial Protector System.

Light-Duty Commercial Jackshaft Operator for Sectional Doors

The Model 3900 is designed for use on light-duty commercial standard and high lift (5 ft. high lift max) sectional doors. Maximum recommended duty cycle: 10 cycles per hour.

Performance
  • 115 volt 1 Ɵ.
  • Control the Open/Stop/Close sequencing needs for your door operation with a single button control (SBC).
  • Improve durability with the NEMA 1 type electrical box construction with a powdercoat finish.
  • Mount on the left or right side of the door. No rails to hang, the operator simply mounts on the wall and attaches to the door shaft through chain and sprocket. (3900 can mount directly to shaft)
  • Enable limit setting for ease of installation and adjustment to ensure accuracy even after a power failure.
  • Ensure peace of mind with a lifetime motor warranty.
Safety and Security
  • Compliant with all UL 325 requirements.
  • Accept up to 20 remote controls and unlimited DIP switch remote control with our Security+® radio technology.
  • Provide easy, emergency manual operation using a readily accessible disconnect.
  • Protector System Safety Sensors.

Jackshaft Door Operator for Commercial Rolling Sheet Door Applications

The Model 3950 Door Operator is designed for use on commercial rolling sheet door applications only. Maximum recommended duty cycle: 10 cycles per hour.

Performance
  • 115 volt 1 Ɵ.
  • Control the Open/Stop/Close sequencing needs for your door operation with a single button control (SBC).
  • Improve durability with the NEMA 1 type electrical box construction with a powdercoat finish.
  • Enable limit setting for ease of installation and adjustment to ensure accuracy even after a power failure..
  • Ensure peace of mind with a lifetime motor warranty
Safety and Security
  • Compliant with all UL 325 requirements.
  • Accept up to 20 remote controls and unlimited DIP switch remote control with our Security+® radio technology.
  • Provide easy, emergency manual operation using a readily accessible disconnect.
  • Protector System Safety Sensors

Medium-Duty Jackshaft Operator

The Model MJ Door Operator is designed for use on industrial sectional doors with high or vertical lift and on small rolling doors and grilles. Maximum recommended duty cycle: 12 cycles per hour.

Performance
  • 115 volt 1 Ɵ.
  • Apply Open/Close/Stop functions with the standard three-push-button control station. Controls with one, two and three buttons are available.
  • Receive notifications when routine maintenance is required on your Commercial Door Operator.
  • Improve durability with the NEMA 1 type electrical box construction with a powdercoat finish.
  • Mount on the left or right side of the door. No rails to hang, the operator simply mounts on the wall and attaches to the door shaft through chain and sprocket. (3900 can mount directly to shaft)
  • Enable limit setting for ease of installation and adjustment to ensure accuracy even after a power failure.
  • Automatically close the door with Timer-To-Close (programmable in 1-second or 15-second increments).
  • Ensure peace of mind with a LiftMaster® two-year warranty.
Safety and Security
  • Compliant with all UL 325 requirements.
  • Accept up to 20 remote controls and unlimited DIP switch remote control with our Security+® radio technology.
  • Protect against door and operator damage due to obstacles with the Adjustable Friction Clutch.
  • Signal the door to reverse or stop if closing time exceeds maximum door travel prevent damage to door and operator.
  • Provide easy, emergency manual operation using a readily accessible disconnect.
  • CPS-U Monitored Commercial Protector System.

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